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#[derive(Debug, Clone, Copy)]
pub struct TaskID<'a> {
pub recipe: &'a str,
pub task: &'a str,
}
#[derive(Debug, Clone, Copy, Default)]
pub struct TaskArgs<'a> {
pub host: Option<&'a str>,
pub target: Option<&'a str>,
}
#[derive(Debug, Clone, Copy)]
pub struct Task<'a> {
pub id: TaskID<'a>,
pub args: TaskArgs<'a>,
}
#[derive(Debug, Clone, Copy)]
pub struct TaskFlags {
pub force_run: bool,
}
peg::parser! {
grammar rules() for str {
rule t<T>(tag: rule<()>, value: rule<T>) -> T
= tag() v:value() { v }
rule name_char()
= ['a'..='z' | 'A' ..='Z' | '0'..='9' | '_' | '-']
rule name() -> &'input str
= $(name_char()+)
rule recipe_id() -> &'input str
= $(name() ("/" name())?)
rule task_id() -> TaskID<'input>
= recipe:recipe_id() ":" task:name() {
TaskID { recipe, task }
}
rule task_args() -> TaskArgs<'input>
= "@" host:name()? target:t(<":">, <name()>)? {
TaskArgs {
host,
target,
}
}
/ { Default::default() }
pub rule task() -> Task<'input>
= id:task_id() args:task_args() {
Task {
id,
args,
}
}
rule force_run() -> bool
= "+" { true }
/ { false }
rule task_flags() -> TaskFlags
= force_run:force_run() { TaskFlags { force_run } }
pub rule task_with_flags() -> (Task<'input>, TaskFlags)
= task:task() flags:task_flags() { (task, flags) }
}
}
pub use rules::*;
|
